uboot/u-boot-stm32mp-2020.01/board/freescale/p1022ds/p1022ds.c

362 lines
8.8 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2010-2012 Freescale Semiconductor, Inc.
* Authors: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
* Timur Tabi <timur@freescale.com>
*/
#include <common.h>
#include <command.h>
#include <env.h>
#include <init.h>
#include <pci.h>
#include <asm/processor.h>
#include <asm/mmu.h>
#include <asm/cache.h>
#include <asm/immap_85xx.h>
#include <asm/fsl_pci.h>
#include <fsl_ddr_sdram.h>
#include <asm/fsl_serdes.h>
#include <asm/io.h>
#include <linux/libfdt.h>
#include <fdt_support.h>
#include <fsl_mdio.h>
#include <tsec.h>
#include <asm/fsl_law.h>
#include <netdev.h>
#include <i2c.h>
#include <hwconfig.h>
#include "../common/ngpixis.h"
int board_early_init_f(void)
{
ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
/* Set pmuxcr to allow both i2c1 and i2c2 */
setbits_be32(&gur->pmuxcr, 0x1000);
#ifdef CONFIG_SYS_RAMBOOT
setbits_be32(&gur->pmuxcr,
in_be32(&gur->pmuxcr) | MPC85xx_PMUXCR_SD_DATA);
#endif
/* Read back the register to synchronize the write. */
in_be32(&gur->pmuxcr);
/* Set the pin muxing to enable ETSEC2. */
clrbits_be32(&gur->pmuxcr2, 0x001F8000);
/* Enable the SPI */
clrsetbits_8(&pixis->brdcfg0, PIXIS_ELBC_SPI_MASK, PIXIS_SPI);
return 0;
}
int checkboard(void)
{
u8 sw;
printf("Board: P1022DS Sys ID: 0x%02x, "
"Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
in_8(&pixis->id), in_8(&pixis->arch), in_8(&pixis->scver));
sw = in_8(&PIXIS_SW(PIXIS_LBMAP_SWITCH));
switch ((sw & PIXIS_LBMAP_MASK) >> 6) {
case 0:
printf ("vBank: %u\n", ((sw & 0x30) >> 4));
break;
case 1:
printf ("NAND\n");
break;
case 2:
case 3:
puts ("Promjet\n");
break;
}
return 0;
}
#define CONFIG_TFP410_I2C_ADDR 0x38
/* Masks for the SSI_TDM and AUDCLK bits of the ngPIXIS BRDCFG1 register. */
#define CONFIG_PIXIS_BRDCFG1_SSI_TDM_MASK 0x0c
#define CONFIG_PIXIS_BRDCFG1_AUDCLK_MASK 0x03
/* Route the I2C1 pins to the SSI port instead. */
#define CONFIG_PIXIS_BRDCFG1_SSI_TDM_SSI 0x08
/* Choose the 12.288Mhz codec reference clock */
#define CONFIG_PIXIS_BRDCFG1_AUDCLK_12 0x02
/* Choose the 11.2896Mhz codec reference clock */
#define CONFIG_PIXIS_BRDCFG1_AUDCLK_11 0x01
/* Connect to USB2 */
#define CONFIG_PIXIS_BRDCFG0_USB2 0x10
/* Connect to TFM bus */
#define CONFIG_PIXIS_BRDCFG1_TDM 0x0c
/* Connect to SPI */
#define CONFIG_PIXIS_BRDCFG0_SPI 0x80
int misc_init_r(void)
{
u8 temp;
const char *audclk;
size_t arglen;
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
/* For DVI, enable the TFP410 Encoder. */
temp = 0xBF;
if (i2c_write(CONFIG_TFP410_I2C_ADDR, 0x08, 1, &temp, sizeof(temp)) < 0)
return -1;
if (i2c_read(CONFIG_TFP410_I2C_ADDR, 0x08, 1, &temp, sizeof(temp)) < 0)
return -1;
debug("DVI Encoder Read: 0x%02x\n", temp);
temp = 0x10;
if (i2c_write(CONFIG_TFP410_I2C_ADDR, 0x0A, 1, &temp, sizeof(temp)) < 0)
return -1;
if (i2c_read(CONFIG_TFP410_I2C_ADDR, 0x0A, 1, &temp, sizeof(temp)) < 0)
return -1;
debug("DVI Encoder Read: 0x%02x\n",temp);
/* Enable the USB2 in PMUXCR2 and FGPA */
if (hwconfig("usb2")) {
clrsetbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_ETSECUSB_MASK,
MPC85xx_PMUXCR2_USB);
setbits_8(&pixis->brdcfg0, CONFIG_PIXIS_BRDCFG0_USB2);
}
/* tdm and audio can not enable simultaneous*/
if (hwconfig("tdm") && hwconfig("audclk")){
printf("WARNING: TDM and AUDIO can not be enabled simultaneous !\n");
return -1;
}
/* Enable the TDM in PMUXCR and FGPA */
if (hwconfig("tdm")) {
clrsetbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_TDM_MASK,
MPC85xx_PMUXCR_TDM);
setbits_8(&pixis->brdcfg1, CONFIG_PIXIS_BRDCFG1_TDM);
/* TDM need some configration option by SPI */
clrsetbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SPI_MASK,
MPC85xx_PMUXCR_SPI);
setbits_8(&pixis->brdcfg0, CONFIG_PIXIS_BRDCFG0_SPI);
}
/*
* Enable the reference clock for the WM8776 codec, and route the MUX
* pins for SSI. The default is the 12.288 MHz clock
*/
if (hwconfig("audclk")) {
temp = in_8(&pixis->brdcfg1) & ~(CONFIG_PIXIS_BRDCFG1_SSI_TDM_MASK |
CONFIG_PIXIS_BRDCFG1_AUDCLK_MASK);
temp |= CONFIG_PIXIS_BRDCFG1_SSI_TDM_SSI;
audclk = hwconfig_arg("audclk", &arglen);
/* Check the first two chars only */
if (audclk && (strncmp(audclk, "11", 2) == 0))
temp |= CONFIG_PIXIS_BRDCFG1_AUDCLK_11;
else
temp |= CONFIG_PIXIS_BRDCFG1_AUDCLK_12;
setbits_8(&pixis->brdcfg1, temp);
}
return 0;
}
/*
* A list of PCI and SATA slots
*/
enum slot_id {
SLOT_PCIE1 = 1,
SLOT_PCIE2,
SLOT_PCIE3,
SLOT_PCIE4,
SLOT_PCIE5,
SLOT_SATA1,
SLOT_SATA2
};
/*
* This array maps the slot identifiers to their names on the P1022DS board.
*/
static const char *slot_names[] = {
[SLOT_PCIE1] = "Slot 1",
[SLOT_PCIE2] = "Slot 2",
[SLOT_PCIE3] = "Slot 3",
[SLOT_PCIE4] = "Slot 4",
[SLOT_PCIE5] = "Mini-PCIe",
[SLOT_SATA1] = "SATA 1",
[SLOT_SATA2] = "SATA 2",
};
/*
* This array maps a given SERDES configuration and SERDES device to the PCI or
* SATA slot that it connects to. This mapping is hard-coded in the FPGA.
*/
static u8 serdes_dev_slot[][SATA2 + 1] = {
[0x01] = { [PCIE3] = SLOT_PCIE4, [PCIE2] = SLOT_PCIE5 },
[0x02] = { [SATA1] = SLOT_SATA1, [SATA2] = SLOT_SATA2 },
[0x09] = { [PCIE1] = SLOT_PCIE1, [PCIE3] = SLOT_PCIE4,
[PCIE2] = SLOT_PCIE5 },
[0x16] = { [PCIE1] = SLOT_PCIE1, [PCIE3] = SLOT_PCIE2,
[PCIE2] = SLOT_PCIE3,
[SATA1] = SLOT_SATA1, [SATA2] = SLOT_SATA2 },
[0x17] = { [PCIE1] = SLOT_PCIE1, [PCIE3] = SLOT_PCIE2,
[PCIE2] = SLOT_PCIE3 },
[0x1a] = { [PCIE1] = SLOT_PCIE1, [PCIE2] = SLOT_PCIE3,
[PCIE2] = SLOT_PCIE3,
[SATA1] = SLOT_SATA1, [SATA2] = SLOT_SATA2 },
[0x1c] = { [PCIE1] = SLOT_PCIE1,
[SATA1] = SLOT_SATA1, [SATA2] = SLOT_SATA2 },
[0x1e] = { [PCIE1] = SLOT_PCIE1, [PCIE3] = SLOT_PCIE3 },
[0x1f] = { [PCIE1] = SLOT_PCIE1 },
};
/*
* Returns the name of the slot to which the PCIe or SATA controller is
* connected
*/
const char *board_serdes_name(enum srds_prtcl device)
{
ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
u32 pordevsr = in_be32(&gur->pordevsr);
unsigned int srds_cfg = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >>
MPC85xx_PORDEVSR_IO_SEL_SHIFT;
enum slot_id slot = serdes_dev_slot[srds_cfg][device];
const char *name = slot_names[slot];
if (name)
return name;
else
return "Nothing";
}
#ifdef CONFIG_PCI
void pci_init_board(void)
{
fsl_pcie_init_board(0);
}
#endif
int board_early_init_r(void)
{
const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
int flash_esel = find_tlb_idx((void *)flashbase, 1);
/*
* Remap Boot flash + PROMJET region to caching-inhibited
* so that flash can be erased properly.
*/
/* Flush d-cache and invalidate i-cache of any FLASH data */
flush_dcache();
invalidate_icache();
if (flash_esel == -1) {
/* very unlikely unless something is messed up */
puts("Error: Could not find TLB for FLASH BASE\n");
flash_esel = 2; /* give our best effort to continue */
} else {
/* invalidate existing TLB entry for flash + promjet */
disable_tlb(flash_esel);
}
set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, flash_esel, BOOKE_PAGESZ_256M, 1);
return 0;
}
/*
* Initialize on-board and/or PCI Ethernet devices
*
* Returns:
* <0, error
* 0, no ethernet devices found
* >0, number of ethernet devices initialized
*/
int board_eth_init(bd_t *bis)
{
struct fsl_pq_mdio_info mdio_info;
struct tsec_info_struct tsec_info[2];
unsigned int num = 0;
#ifdef CONFIG_TSEC1
SET_STD_TSEC_INFO(tsec_info[num], 1);
num++;
#endif
#ifdef CONFIG_TSEC2
SET_STD_TSEC_INFO(tsec_info[num], 2);
num++;
#endif
mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
mdio_info.name = DEFAULT_MII_NAME;
fsl_pq_mdio_init(bis, &mdio_info);
return tsec_eth_init(bis, tsec_info, num) + pci_eth_init(bis);
}
#ifdef CONFIG_OF_BOARD_SETUP
/**
* ft_codec_setup - fix up the clock-frequency property of the codec node
*
* Update the clock-frequency property based on the value of the 'audclk'
* hwconfig option. If audclk is not specified, then don't write anything
* to the device tree, because it means that the codec clock is disabled.
*/
static void ft_codec_setup(void *blob, const char *compatible)
{
const char *audclk;
size_t arglen;
u32 freq;
audclk = hwconfig_arg("audclk", &arglen);
if (audclk) {
if (strncmp(audclk, "11", 2) == 0)
freq = 11289600;
else
freq = 12288000;
do_fixup_by_compat_u32(blob, compatible, "clock-frequency",
freq, 1);
}
}
int ft_board_setup(void *blob, bd_t *bd)
{
phys_addr_t base;
phys_size_t size;
ft_cpu_setup(blob, bd);
base = env_get_bootm_low();
size = env_get_bootm_size();
fdt_fixup_memory(blob, (u64)base, (u64)size);
#ifdef CONFIG_HAS_FSL_DR_USB
fsl_fdt_fixup_dr_usb(blob, bd);
#endif
FT_FSL_PCI_SETUP;
#ifdef CONFIG_FSL_SGMII_RISER
fsl_sgmii_riser_fdt_fixup(blob);
#endif
/* Update the WM8776 node's clock frequency property */
ft_codec_setup(blob, "wlf,wm8776");
return 0;
}
#endif